hand down作“把……传下来”解。例如：

　　…knowledge， customs and memories were handed down by the elders of the race.

　　……他们的知识，生活习惯以及人们所怀念的事情，都是由他们的祖先传下来的。

　　The story was handed down from one generation to another.这个故事世代相传。

　　hand in为“把……交上来” 、“交给”、“递交”之意。例如：

　　Time is up.Hand in your examination papers.时间到了，请把试卷交上来。

　　hand over作“转交”或“移送”解。例如：

　　Please hand over this money to XiaoZhou.请将这笔钱转交小周。

　　The thief was handed over to the police.小偷已被移送到公安机关了。

　　hand out为“散发”之意。例如：

　　When I got to the classroom the teacher had already begun handing out the test papers.

　　我赶到教室时，老师已开始分发试卷了。

　　hands up表示“举起手来”; by hand表示“用手”、“手工”，是介词短语，作方式状语。

　　[EXERCISES]

　　①This toy was made . ②After class， you must your homework. ③If you have any questions to ask，please . (Keys：①by hand ②hand in ③hands up)